Fix virtual/override/final usage in Source/core/svg/.

Source/core/svg/SVGNumberList.h

Index: Source/core/svg/SVGNumberList.h
diff --git a/Source/core/svg/SVGNumberList.h b/Source/core/svg/SVGNumberList.h
index 8ffcf2abe2a44b0f66467bf693bd1f50f93ce046..1bb4b4a1125208681dfe2cd7feaaf5d759c514e3 100644
--- a/Source/core/svg/SVGNumberList.h
+++ b/Source/core/svg/SVGNumberList.h
@@ -48,16 +48,16 @@ public:
         return adoptRefWillBeNoop(new SVGNumberList());
     }
 
-    virtual ~SVGNumberList();
+    ~SVGNumberList() override;
 
     void setValueAsString(const String&, ExceptionState&);
 
     // SVGPropertyBase:
-    virtual String valueAsString() const override;
+    String valueAsString() const override;
 
-    virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
-    virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> fromValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) override;
-    virtual float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement*) override;
+    void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
+    void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> fromValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) override;
+    float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement*) override;
 
     static AnimatedPropertyType classType() { return AnimatedNumberList; }